#include<bits/stdc++.h>
using namespace std;
const int t=1e5 + 1;
int n,r[t];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int cnt=0,lst=0;
    memset(r,0,sizeof(r));
    cin>>n;
    for(int i=0;i<n;i++)
    {
        int u;cin>>u;r[u]++;
    }
    for(int i=1;i<t;i++)
    {
        if(r[i]>=lst)
        {
            lst=r[i];
        }
    }
    cout<<lst;
    return 0;
}
